1. Create a new Letter sized Adobe Illustrator document in landscape orientation.
2. Import world.mif from the Tutorial Data folder.
3. In the MAP Themes panel option menu, click New MAP Theme.
4. In the New MAP Theme dialogue box, type Population into the Theme Name box, select Stylesheet as the Theme Type, select Area from the Feature type drop-down list, and click OK.
5. Double-click Population stylesheet, or choose Edit "Population" from the MAP Themes panel option menu.
6. Click the Layers button and select the world_area layer.
7. Click the Batch Generate Rules button to open the Rule Generator dialogue box. Under Source: be sure that the world_area layer is chosen. Choose Population from the Attribute drop-down list.
8. Click Load to generate rules. Rules are produced using the default values of 5 classes using Equal Intervals.
9. The Natural Breaks Jenks-Caspall method offers a more mathematically rigorous classification. Click the Method drop-down list and change Equal Intervals to Natural Breaks Jenks-Caspall.
10. Under Visual Property Assignment click the Set fill check box and click the Color ramp toggle. Choose a colour ramp from the drop-down list. Available colour ramps are those loaded into the Illustrator Swatches panel. Reverse the colour ramp as necessary.
11. Click Add to close the Rule Generator dialogue box, and back in the Edit Stylesheet Theme dialogue box click Apply. Your map has now been stylized based on your batch generated rules.
12. Close the document without saving.